public override void RemoveMetadata(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
{
try
{
m_elementsToClean = GetListOfEnabledElementsToClean(cleanProperties);
List<Exclusion> listExclusion = GetListOfExcludedElements(cleanProperties);
using (BinaryData bData = new BinaryData(tempFile.GetMemoryStream()))
{
using (PptxDocumentReader reader = new PptxDocumentReader(bData))
{
using (Stream str = GetOutputStream())
{
reader.CleanTo(str, m_elementsToClean, listExclusion);
File.Copy(InterimTempFileName, tempFile.TempFile, true);
}
}
}
}
catch (System.Exception ex)
{
Logger.LogError("PowerpointX cleaning failed");
Logger.LogError(ex);
throw;
}
finally
{
CleanUp();
}
}
private void ExecuteUsingOfficeOpenXml(TempFileForActions tempFile, CleanActionPropertySet elementsToClean)
{
try
{
m_elementsToClean = GetElementsNotRemovedByDomClean(GetListOfEnabledElementsToClean(elementsToClean));
using (BinaryData bData = new BinaryData(tempFile.GetMemoryStream()))
{
using (XlsxDocumentReader reader = new XlsxDocumentReader(bData))
{
using (Stream str = GetOutputStream())
{
reader.CleanTo(str, m_elementsToClean);
File.Copy(InterimTempFileName, tempFile.TempFile, true);
}
}
}
}
catch (System.Exception ex)
{
Logger.LogError(ex);
throw;
}
finally
{
CleanUp();
}
}
private Stream CallCleanThread(BinaryCleanActionPropertySet cleanProperties, Stream input, ref Dictionary<string, string> streamProperties, CleanPropertiesDisplayTranslator strings)
{
string filename = streamProperties[strings.StrmProp_DisplayName];
using (TempFileForActions tempFile = new TempFileForActions(System.IO.Path.GetFileName(filename), input))
{
CleanData cleanData = new CleanData(cleanProperties, tempFile);
Thread staThread = new Thread(new ParameterizedThreadStart(DoClean));
staThread.SetApartmentState(ApartmentState.STA);
staThread.Start(cleanData);
staThread.Join();
if (cleanData.ex != null)
throw cleanData.ex;
input.Dispose(); // Clean it out of memory
return tempFile.GetMemoryStream();
}
}
public override bool VerifyFile(TempFileForActions tempFile)
{
try
{
using (BinaryData bData = new BinaryData(tempFile.GetMemoryStream()))
{
PptxDocumentReader reader = new PptxDocumentReader(bData);
reader.Read();
}
return true;
}
catch (System.Exception ex)
{
Logger.LogError("PowerpointX Verification failed");
Logger.LogError(ex);
}
return false;
}
private Stream CallCleanThread(CleanActionPropertySet cleanProperties, Stream input, ref Dictionary<string, string> streamProperties, CleanPropertiesDisplayTranslator strings, bool callingFallbackThread, bool convertFile)
{
string originalDisplayName = streamProperties[strings.StrmProp_DisplayName];
string originalFileName = streamProperties[strings.StrmProp_FileName];
convertFile = (InstalledProduct.IsProtectEnterpriseClientInstalled() || InstalledProduct.IsProfessionalInstalled()) && FcsFile.IsRtfFile(input);
if (convertFile)
{
input = ConvertToDoc(input, streamProperties, strings);
}
string displayName = streamProperties[strings.StrmProp_DisplayName];
using (TempFileForActions tempFile = new TempFileForActions(Path.GetFileName(displayName), input))
{
CleanData cleanData = new CleanData(cleanProperties, tempFile);
Thread staThread;
if (callingFallbackThread)
{
staThread = new Thread(DoFallbackClean);
staThread.Name = MethodBase.GetCurrentMethod().DeclaringType.Name + ".DoFallbackClean";
}
else
{
staThread = new Thread(DoClean);
staThread.Name = MethodBase.GetCurrentMethod().DeclaringType.Name + ".DoClean";
}
staThread.SetApartmentState(ApartmentState.STA);
staThread.Start(cleanData);
staThread.Join();
if (cleanData.ex != null)
{
//IActionProperty iap = null;
if (callingFallbackThread || RunningInServerCtxt(cleanProperties))
{
m_fallbackTried = false;
input.Dispose();
throw cleanData.ex;
}
cleanData.ex = null;
return CallCleanThread(cleanProperties, input, ref streamProperties, strings, true, convertFile);
}
input.Dispose();
if (!convertFile)
{
return tempFile.GetMemoryStream();
}
return ConvertFromDoc(tempFile, originalFileName, originalDisplayName, streamProperties, strings);
}
}
